org.eclipse.viatra2.visualisation/src/org/eclipse/viatra2/visualisation/modelspace/actions/SelectLayoutAction.java

/*******************************************************************************
 * Copyright (c) 2009 Zoltan Ujhelyi and Daniel Varro.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *    Zoltan Ujhelyi - initial API and implementation
 *******************************************************************************/
package org.eclipse.viatra2.visualisation.modelspace.actions;

import org.eclipse.jface.action.Action;
import org.eclipse.ui.PlatformUI;
import org.eclipse.viatra2.visualisation.layouts.IViatraLayoutAlgorithm;
import org.eclipse.viatra2.visualisation.view.ViatraVisualisationView;

/**
 * Selects and applies a new layout algorithm to the visualisation.
 * @author Zoltan Ujhelyi
 *
 */
public class SelectLayoutAction extends Action {
	
	IViatraLayoutAlgorithm algorithm;

	/**
	 * Initializes a new select layout action with a given name and layout algorithm.
	 * @param name the name to set.
	 * @param algorithm the algorithm to set.
	 */
	public SelectLayoutAction(String name, IViatraLayoutAlgorithm algorithm) {
		super(name);
		this.algorithm = algorithm;
		setToolTipText("Selects the " + name + " layout algorithm for the current graph.");
	}

	/* (non-Javadoc)
	 * @see org.eclipse.jface.action.Action#run()
	 */
	@Override
	public void run() {
		String viewId = "org.eclipse.viatra2.visualisation.view";
		ViatraVisualisationView view = (ViatraVisualisationView) PlatformUI
		.getWorkbench().getActiveWorkbenchWindow().getActivePage()
			.findViewReference(viewId).getView(false);
		view.setLayoutAlgorithm(algorithm);
	}
	
	
}